Application of tight membrane extraction for amines separation

Chiral amines are very valued constituents of many important pharmaceutical compounds and their intermediates. However, the production of a chiral amine encounters some challenges, like the use of harsh conditions and the unfavorable thermodynamic equilibrium. In this research the possibilities of t...

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Main Authors: Sara Salvador Cob, Kristien De Sitter, Anita Buekenhoudt
Format: Article
Language:English
Published: Frontiers Media S.A. 2024-11-01
Series:Frontiers in Chemical Engineering
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Online Access:https://www.frontiersin.org/articles/10.3389/fceng.2024.1449088/full
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author Sara Salvador Cob
Kristien De Sitter
Anita Buekenhoudt
author_facet Sara Salvador Cob
Kristien De Sitter
Anita Buekenhoudt
author_sort Sara Salvador Cob
collection DOAJ
description Chiral amines are very valued constituents of many important pharmaceutical compounds and their intermediates. However, the production of a chiral amine encounters some challenges, like the use of harsh conditions and the unfavorable thermodynamic equilibrium. In this research the possibilities of tight membrane extraction (ME) for amines separation has been investigated to improve the reaction equilibrium. A specific transaminase reaction was selected for the study in which product amine 1-methyl-3-phenylpropylamine (MPPA) or methyl benzylamine (MBA) needs to be separated from the donor amine isopropylamine (IPA). Tight ME is an innovative separation process in which the membrane is not only an interface, but also a way to add extra selectivity to the process. In the present work, we thoroughly discuss the main factors influencing this novel technique by evaluating the extraction efficiency and extraction rates for the different amines. Then we also determine the optimal parameters for the selected reaction. Supported liquid membrane extraction (SLM), as well as pressure driven filtration, more specifically, nanofiltration (NF), were also studied as benchmark technologies, showing that tight ME has a greater advantage over the two in this specific case, due to the extra affinity factor offered by the membrane. The selectivity of MPPA/IPA in tight ME for the optimized parameters was significantly higher than for SLM and NF.
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spelling doaj-art-43d00b5ebfe14f6bb211b69f86eb70db2024-11-20T13:13:04ZengFrontiers Media S.A.Frontiers in Chemical Engineering2673-27182024-11-01610.3389/fceng.2024.14490881449088Application of tight membrane extraction for amines separationSara Salvador CobKristien De SitterAnita BuekenhoudtChiral amines are very valued constituents of many important pharmaceutical compounds and their intermediates. However, the production of a chiral amine encounters some challenges, like the use of harsh conditions and the unfavorable thermodynamic equilibrium. In this research the possibilities of tight membrane extraction (ME) for amines separation has been investigated to improve the reaction equilibrium. A specific transaminase reaction was selected for the study in which product amine 1-methyl-3-phenylpropylamine (MPPA) or methyl benzylamine (MBA) needs to be separated from the donor amine isopropylamine (IPA). Tight ME is an innovative separation process in which the membrane is not only an interface, but also a way to add extra selectivity to the process. In the present work, we thoroughly discuss the main factors influencing this novel technique by evaluating the extraction efficiency and extraction rates for the different amines. Then we also determine the optimal parameters for the selected reaction. Supported liquid membrane extraction (SLM), as well as pressure driven filtration, more specifically, nanofiltration (NF), were also studied as benchmark technologies, showing that tight ME has a greater advantage over the two in this specific case, due to the extra affinity factor offered by the membrane. The selectivity of MPPA/IPA in tight ME for the optimized parameters was significantly higher than for SLM and NF.https://www.frontiersin.org/articles/10.3389/fceng.2024.1449088/fulltight membrane extractionchiral aminesaffinity separationprocess optimizationsupported liquid membranes (SLM)nanofiltration (NF)
spellingShingle Sara Salvador Cob
Kristien De Sitter
Anita Buekenhoudt
Application of tight membrane extraction for amines separation
Frontiers in Chemical Engineering
tight membrane extraction
chiral amines
affinity separation
process optimization
supported liquid membranes (SLM)
nanofiltration (NF)
title Application of tight membrane extraction for amines separation
title_full Application of tight membrane extraction for amines separation
title_fullStr Application of tight membrane extraction for amines separation
title_full_unstemmed Application of tight membrane extraction for amines separation
title_short Application of tight membrane extraction for amines separation
title_sort application of tight membrane extraction for amines separation
topic tight membrane extraction
chiral amines
affinity separation
process optimization
supported liquid membranes (SLM)
nanofiltration (NF)
url https://www.frontiersin.org/articles/10.3389/fceng.2024.1449088/full
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AT kristiendesitter applicationoftightmembraneextractionforaminesseparation
AT anitabuekenhoudt applicationoftightmembraneextractionforaminesseparation